Particle Size Analysis Using Hydrometer Essay

Abstract

This experiment is designed to identify the range of grain sizes and its volume in percentage present within the soil sample. This percent distribution is employed to determine the framework of the ground. Knowing the composition of virtually any soil test has been extremely vital to get the study of Civil Engineering. This characteristic can determine whether the garden soil is suitable for fundamentals of building, street constructions and so on. Using the Hydrometer analysis to look for the soil debris present within the soil sample, we have create a conclusion that the soil test we have acquired was well-graded.

Aims

* In order to determine the particle size distribution of your given garden soil sample using hydrometer evaluation

Materials

5. Set of Sieves

* Stability

* Hydrometer (152H)

5. Graduated Cylinder

* Mixing rod

2. Thermometer

* Distilled normal water

* Termes conseilles

* Range

* Skillet

* Hexametaphosphate (dispersing agent)

Procedure

Info and Outcomes

Trial one particular

Elapsed Time (seconds)| Elapsed period (minutes) | Temperature Reading| Hydrometer Reading| Composite correction| Corrected Hydrometer Reading| K| Effective Hydrometer Length, cm| Diameter of Particle, mm| 4| zero. 06667| 28| 50| 4| 46| 0. 01304| eight. 1| zero. 143732| 15| 0. 25| 28| 43| 4| 39| 0. 01304| 9. 2| 0. 079105

30| 0. 5| 28| 39| 4| 35| zero. 01304| 15. 6| zero. 060041

60| 1| 29| 35| 4| 31| zero. 01290| 10. 2| 0. 043172

90| 1 . 5| 29| 31| 4| 27| 0. 01290| 11. 9| 0. 036334

120| 2| 29| 29| 4| 25| 0. 01290| 12. 2| 0. 031861

Trial a couple of

Elapsed Time (seconds)| Elapsed period (minutes) | Temperature Reading| Hydrometer Reading| Composite Correction| Corrected Hydrometer Reading| K| Effective Hydrometer Length, cm| Diameter of Particle, mm| 4| zero. 06667| 29| 51| 4| 47| 0. 01290| six. 9| zero. 140423| 15| 0. 25| 29| 47| 4| 43| 0. 01290| 8. 6| 0. 07566

30| 0. 5| 29| 43| 4| 40| zero. 01290| being unfaithful. 2| 0. 055335

60| 1| 29| 38| 4| 34| zero. 01290| twelve. 1| 0. 040997

90| 1 . 5| 29| 34| 4| 30| 0. 01290| 11. 4| 0. 035563

120| 2| 29| 30| 4| 26| 0. 01290| 12. 0| 0. 031598

Trial several

Elapsed Period (minutes)| Temperature Reading| Hydrometer Reading| Composite resin Correction| Corrected Hydrometer Reading| K| Effective Hydrometer Length, cm| Size of Molecule, mm| 5| 28| 20| 4| 16| 0. 01327| 13. 0| 0. 021397

15| 28| 13| 4| 9| zero. 01327| 13. 2| 0. 012911

30| 28| 10| 4| 6| 0. 01327| 14. 7| 0. 009289

60| 27| 7| 4| 3| 0. 01342| 15. 2| zero. 006755

1440| 26| 6| 4| 2| 0. 01357| 15. 3| 0. 001399

Hygroscopic modifications factor

Offered:

Mass of container: twelve. 1g

Mass of pot + soil (air dry) = twenty-one. 7g

Mass of box + ground (oven dry) = twenty one. 34g

HygroscopicCF= 21. 34g/21. 7g = 0. 9834

Trial 1| Diameter of Particle, mm| Percent greater in suspension| 4| zero. 143732| three or more. 684309

15| 0. 079105| 3. 111194

30| 0. 060041| installment payments on your 78370

60| 0. 043172| 2 . 456206

90| 0. 036334| installment payments on your 128712

120| 0. 031861| 1 . 964965

Trial 2| |

4| 0. 140423| 3. 766182

15| 0. 07566| 3. 438688

30| 0. 055335| three or more. 193068

60| 0. 040997| 2 . 701826

90| 0. 035563| 2 . 374332

120| 0. 031598| 2 . 046838

Trial 3| |

5| | 1 . 228103

15| zero. 012911|. 6549882

30| 0. 009289|. 4093676

60| zero. 006755|. 1637471

1440| 0. 001399|. 08187353

(Diameter compared to Percent Finer)

Trial one particular

Trial 2

Trial several

Hydrometer studying correction Rh:

Rh = actual hydrometer reading – composite modification

Diameter M of dirt particles:

Deb (mm)

K sama dengan constant with respect to the temperature of suspension and specific the law of gravity of ground. In this try things out, a value of 2. 45 had been used while the specific the law of gravity and a temperature of 28В°C. Stand 3 of ASTM D44 had been used to determine E with a benefit of zero. 01327. L = successful hydrometer interesting depth as...

Referrals: ASTM D422 Particle Size Analysis of Soils

Sept. 2010 2004, Files, Procedures to get Particle Size Analysis, http://uwlab.soils.wisc.edu

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